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<a href="weakly__compressible__fluid_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -------------------------------------------------------------------------*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">*                               SPHinXsys                                   *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">* --------------------------------------------------------------------------*</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">* SPHinXsys (pronunciation: s&#39;finksis) is an acronym from Smoothed Particle *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">* Hydrodynamics for industrial compleX systems. It provides C++ APIs for    *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">* physical accurate simulation and aims to model coupled industrial dynamic *</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">* systems including fluid, solid, multi-body dynamics and beyond with SPH   *</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">* (smoothed particle hydrodynamics), a meshless computational method using  *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">* particle discretization.                                                  *</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">*                                                                           *</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">* SPHinXsys is partially funded by German Research Foundation               *</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">* (Deutsche Forschungsgemeinschaft) DFG HU1527/6-1, HU1527/10-1             *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">* and HU1527/12-1.                                                          *</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">*                                                                           *</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">* Portions copyright (c) 2017-2020 Technical University of Munich and       *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">* the authors&#39; affiliations.                                                *</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">*                                                                           *</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">* Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may   *</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">* not use this file except in compliance with the License. You may obtain a *</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">* copy of the License at http://www.apache.org/licenses/LICENSE-2.0.        *</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">*                                                                           *</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">* --------------------------------------------------------------------------*/</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="base__material_8h.html">base_material.h</a>&quot;</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespace_s_p_h.html">SPH</a> {</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keyword">class </span>ViscoelasticFluidParticles;</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_weakly_compressible_fluid.html">   44</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html">WeaklyCompressibleFluid</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_fluid.html">Fluid</a></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    {</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keyword">protected</span>:</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a5ad7ad3403085fdce97622ef6428dc21">   48</a></span>&#160;        Real <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a5ad7ad3403085fdce97622ef6428dc21">p0_</a>;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a2a244eebbee1fcc59032dc62049ba356">   51</a></span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a2a244eebbee1fcc59032dc62049ba356">assignDerivedMaterialParameters</a>()<span class="keyword"> override </span>{</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;            <a class="code" href="class_s_p_h_1_1_fluid.html#a32ff9cf6b38aae02beb20699e57d276e">Fluid::assignDerivedMaterialParameters</a>();</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a5ad7ad3403085fdce97622ef6428dc21">p0_</a> = <a class="code" href="class_s_p_h_1_1_fluid.html#a66aa51d2d32e548e25c069cd949cb765">rho_0_</a> * c_0_ * c_0_;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        };</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_weakly_compressible_fluid.html#ac39a284854b51c59682603facc3da251">   57</a></span>&#160;        <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#ac39a284854b51c59682603facc3da251">WeaklyCompressibleFluid</a>() : <a class="code" href="class_s_p_h_1_1_fluid.html">Fluid</a>(), <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a5ad7ad3403085fdce97622ef6428dc21">p0_</a>(1.0) {</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            material_name_ = <span class="stringliteral">&quot;WeaklyCompressibleFluid&quot;</span>;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        };</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html">WeaklyCompressibleFluid</a>() {};</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_weakly_compressible_fluid.html#af7df2c2c1398a9e84449a15eeebf20cd">   63</a></span>&#160;        <span class="keyword">virtual</span> <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html">WeaklyCompressibleFluid</a>* <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#af7df2c2c1398a9e84449a15eeebf20cd">PointToThisObject</a>()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> <span class="keyword">this</span>; };</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        <span class="keyword">virtual</span> Real GetPressure(Real rho) <span class="keyword">override</span>;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        <span class="keyword">virtual</span> Real ReinitializeRho(Real p) <span class="keyword">override</span>;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        <span class="keyword">virtual</span> Real GetSoundSpeed(Real p = 0.0, Real rho = 1.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <span class="keyword">virtual</span> Real <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a8d28c05a546bf858fffa0dc0dc849358">RiemannSolverForPressure</a>(Real rhol, Real Rhor, Real pl,</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;            Real pr, Real ul, Real ur) <span class="keyword">override</span>;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keyword">virtual</span> Real RiemannSolverForVelocity(Real rhol, Real Rhor, Real pl,</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            Real pr, Real ul, Real ur) <span class="keyword">override</span>;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    };</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="keyword">template</span>&lt;<span class="keyword">class</span> WeaklyCompressibleFlu<span class="keywordtype">id</span>Type&gt;</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html">   81</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html">WeaklyCompressibleFluidFreeSurface</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html">WeaklyCompressibleFluid</a></div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    {</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keyword">protected</span>:</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        WeaklyCompressibleFluidType* fluid_;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        Real cutoff_pressure_, cutoff_density_;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html#a148d66069f6b0d7b52f7bf3c060cc897">   88</a></span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html#a148d66069f6b0d7b52f7bf3c060cc897">assignDerivedMaterialParameters</a>() {</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;            <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a2a244eebbee1fcc59032dc62049ba356">WeaklyCompressibleFluid::assignDerivedMaterialParameters</a>();</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        };</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html#a3e3ee45c64dbf44f72d329924652b4c2">   93</a></span>&#160;        <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html#a3e3ee45c64dbf44f72d329924652b4c2">WeaklyCompressibleFluidFreeSurface</a>(Real cutoff_pressure)</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;            : <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html">WeaklyCompressibleFluid</a>(),</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;            cutoff_pressure_(cutoff_pressure) {</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;            fluid_ = <span class="keyword">new</span> WeaklyCompressibleFluidType();</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            material_name_ = fluid_-&gt;material_name_ + <span class="stringliteral">&quot;FreeSurface&quot;</span>;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            cutoff_density_ = fluid_-&gt;ReinitializeRho(cutoff_pressure);</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        }; </div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html">WeaklyCompressibleFluidFreeSurface</a>() {};</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        <span class="keyword">virtual</span> <a class="code" href="class_real.html">Real</a> GetPressure(<a class="code" href="class_real.html">Real</a> rho)<span class="keyword"> override </span>{</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            <span class="keywordflow">return</span> rho &lt; cutoff_density_ ? cutoff_pressure_ : fluid_-&gt;GetPressure(rho);</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        };</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    };</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_symmetric_tait_fluid.html">  111</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1_symmetric_tait_fluid.html">SymmetricTaitFluid</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html">WeaklyCompressibleFluid</a></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    {</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keyword">protected</span>:</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="comment">//determine the stiffness of the fluid</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <span class="keywordtype">int</span> gamma_;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_symmetric_tait_fluid.html#abaa863714e0a1e66ccdfbf3138da587d">  118</a></span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1_symmetric_tait_fluid.html#abaa863714e0a1e66ccdfbf3138da587d">assignDerivedMaterialParameters</a>()<span class="keyword"> override </span>{</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;            <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a2a244eebbee1fcc59032dc62049ba356">WeaklyCompressibleFluid::assignDerivedMaterialParameters</a>();</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        };</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_symmetric_tait_fluid.html#a4bcac1e87a060ae6f6f3314a5fbe628a">  124</a></span>&#160;        <a class="code" href="class_s_p_h_1_1_symmetric_tait_fluid.html#a4bcac1e87a060ae6f6f3314a5fbe628a">SymmetricTaitFluid</a>() : <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html">WeaklyCompressibleFluid</a>(), gamma_(2) {</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            material_name_ = <span class="stringliteral">&quot;SymmetricTaitFluid&quot;</span>;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        };</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1_symmetric_tait_fluid.html">SymmetricTaitFluid</a>() {};</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_symmetric_tait_fluid.html#a78f54aaa57cb8dafc674a436c98e14ae">  130</a></span>&#160;        <span class="keyword">virtual</span> <a class="code" href="class_s_p_h_1_1_symmetric_tait_fluid.html">SymmetricTaitFluid</a>* <a class="code" href="class_s_p_h_1_1_symmetric_tait_fluid.html#a78f54aaa57cb8dafc674a436c98e14ae">PointToThisObject</a>()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> <span class="keyword">this</span>; };</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        <span class="keyword">virtual</span> Real GetPressure(Real rho) <span class="keyword">override</span>;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;        <span class="keyword">virtual</span> Real ReinitializeRho(Real p) <span class="keyword">override</span>;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        <span class="keyword">virtual</span> Real GetSoundSpeed(Real p = 0.0, Real rho = 1.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    };</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_oldroyd___b___fluid.html">  141</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html">Oldroyd_B_Fluid</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html">WeaklyCompressibleFluid</a></div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    {</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keyword">protected</span>:</div><div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a1eb17aca4ba7f6dfe0f6c61880466845">  145</a></span>&#160;        Real <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a1eb17aca4ba7f6dfe0f6c61880466845">lambda_</a>;</div><div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a2648eb8576d7555cf2474ed3d61fee32">  147</a></span>&#160;        Real <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a2648eb8576d7555cf2474ed3d61fee32">mu_p_</a>;</div><div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_oldroyd___b___fluid.html#ac79f56343c12f34bb0be22353472847f">  149</a></span>&#160;        <a class="code" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html">ViscoelasticFluidParticles</a>* <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#ac79f56343c12f34bb0be22353472847f">viscoelastic_fluid_particles_</a>;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_oldroyd___b___fluid.html#ae3f0cb66d11d55b05811e657b0465de8">  152</a></span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#ae3f0cb66d11d55b05811e657b0465de8">assignDerivedMaterialParameters</a>()<span class="keyword"> override </span>{</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;            <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html#a2a244eebbee1fcc59032dc62049ba356">WeaklyCompressibleFluid::assignDerivedMaterialParameters</a>();</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        };</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a62ef62acd5b9c928ebcd6b31ae868cdf">  157</a></span>&#160;        <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a62ef62acd5b9c928ebcd6b31ae868cdf">Oldroyd_B_Fluid</a>() : <a class="code" href="class_s_p_h_1_1_weakly_compressible_fluid.html">WeaklyCompressibleFluid</a>(),</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a1eb17aca4ba7f6dfe0f6c61880466845">lambda_</a>(1.0), <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a2648eb8576d7555cf2474ed3d61fee32">mu_p_</a>(0.0) {</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            material_name_ = <span class="stringliteral">&quot;Oldroyd_B_Fluid&quot;</span>;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        };</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html">Oldroyd_B_Fluid</a>() {};</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;</div><div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_oldroyd___b___fluid.html#ae8220b97f4a070200c80c2839d4374a3">  164</a></span>&#160;        <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#ae8220b97f4a070200c80c2839d4374a3">assignViscoelasticFluidParticles</a>(<a class="code" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html">ViscoelasticFluidParticles</a>* viscoelastic_fluid_particles) {</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;            <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#ac79f56343c12f34bb0be22353472847f">viscoelastic_fluid_particles_</a> = viscoelastic_fluid_particles;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        };</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        Real getReferenceRelaxationTime() { <span class="keywordflow">return</span> <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a1eb17aca4ba7f6dfe0f6c61880466845">lambda_</a>; };</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        <a class="code" href="class_real.html">Real</a> getReferencePloymericViscosity() { <span class="keywordflow">return</span> <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a2648eb8576d7555cf2474ed3d61fee32">mu_p_</a>; };</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;</div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a53ef7d4ad85a0ce59b9ddd8f04303a12">  171</a></span>&#160;        <span class="keyword">virtual</span> <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html">Oldroyd_B_Fluid</a>* <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html#a53ef7d4ad85a0ce59b9ddd8f04303a12">PointToThisObject</a>()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> <span class="keyword">this</span>; };</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    };</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;}</div><div class="ttc" id="class_s_p_h_1_1_weakly_compressible_fluid_free_surface_html"><div class="ttname"><a href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html">SPH::WeaklyCompressibleFluidFreeSurface</a></div><div class="ttdoc">Equation of state (EOS) with cut-off pressure. </div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:81</div></div>
<div class="ttc" id="class_s_p_h_1_1_oldroyd___b___fluid_html"><div class="ttname"><a href="class_s_p_h_1_1_oldroyd___b___fluid.html">SPH::Oldroyd_B_Fluid</a></div><div class="ttdoc">linear EOS with relaxation time and polymetric viscosity. </div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:141</div></div>
<div class="ttc" id="class_s_p_h_1_1_weakly_compressible_fluid_free_surface_html_a148d66069f6b0d7b52f7bf3c060cc897"><div class="ttname"><a href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html#a148d66069f6b0d7b52f7bf3c060cc897">SPH::WeaklyCompressibleFluidFreeSurface::assignDerivedMaterialParameters</a></div><div class="ttdeci">virtual void assignDerivedMaterialParameters()</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:88</div></div>
<div class="ttc" id="class_s_p_h_1_1_symmetric_tait_fluid_html_abaa863714e0a1e66ccdfbf3138da587d"><div class="ttname"><a href="class_s_p_h_1_1_symmetric_tait_fluid.html#abaa863714e0a1e66ccdfbf3138da587d">SPH::SymmetricTaitFluid::assignDerivedMaterialParameters</a></div><div class="ttdeci">virtual void assignDerivedMaterialParameters() override</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:118</div></div>
<div class="ttc" id="class_s_p_h_1_1_symmetric_tait_fluid_html"><div class="ttname"><a href="class_s_p_h_1_1_symmetric_tait_fluid.html">SPH::SymmetricTaitFluid</a></div><div class="ttdoc">linear EOS for negative presssure and Tait EOS for positive pressure. </div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:111</div></div>
<div class="ttc" id="class_s_p_h_1_1_weakly_compressible_fluid_html_a8d28c05a546bf858fffa0dc0dc849358"><div class="ttname"><a href="class_s_p_h_1_1_weakly_compressible_fluid.html#a8d28c05a546bf858fffa0dc0dc849358">SPH::WeaklyCompressibleFluid::RiemannSolverForPressure</a></div><div class="ttdeci">virtual Real RiemannSolverForPressure(Real rhol, Real Rhor, Real pl, Real pr, Real ul, Real ur) override</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.cpp:39</div></div>
<div class="ttc" id="class_s_p_h_1_1_weakly_compressible_fluid_html_af7df2c2c1398a9e84449a15eeebf20cd"><div class="ttname"><a href="class_s_p_h_1_1_weakly_compressible_fluid.html#af7df2c2c1398a9e84449a15eeebf20cd">SPH::WeaklyCompressibleFluid::PointToThisObject</a></div><div class="ttdeci">virtual WeaklyCompressibleFluid * PointToThisObject() override</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:63</div></div>
<div class="ttc" id="class_s_p_h_1_1_weakly_compressible_fluid_html_a2a244eebbee1fcc59032dc62049ba356"><div class="ttname"><a href="class_s_p_h_1_1_weakly_compressible_fluid.html#a2a244eebbee1fcc59032dc62049ba356">SPH::WeaklyCompressibleFluid::assignDerivedMaterialParameters</a></div><div class="ttdeci">virtual void assignDerivedMaterialParameters() override</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:51</div></div>
<div class="ttc" id="class_s_p_h_1_1_viscoelastic_fluid_particles_html"><div class="ttname"><a href="class_s_p_h_1_1_viscoelastic_fluid_particles.html">SPH::ViscoelasticFluidParticles</a></div><div class="ttdoc">Viscoelastic fluid particles. </div><div class="ttdef"><b>Definition:</b> fluid_particles.h:125</div></div>
<div class="ttc" id="class_s_p_h_1_1_oldroyd___b___fluid_html_ae3f0cb66d11d55b05811e657b0465de8"><div class="ttname"><a href="class_s_p_h_1_1_oldroyd___b___fluid.html#ae3f0cb66d11d55b05811e657b0465de8">SPH::Oldroyd_B_Fluid::assignDerivedMaterialParameters</a></div><div class="ttdeci">virtual void assignDerivedMaterialParameters() override</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:152</div></div>
<div class="ttc" id="class_s_p_h_1_1_oldroyd___b___fluid_html_a62ef62acd5b9c928ebcd6b31ae868cdf"><div class="ttname"><a href="class_s_p_h_1_1_oldroyd___b___fluid.html#a62ef62acd5b9c928ebcd6b31ae868cdf">SPH::Oldroyd_B_Fluid::Oldroyd_B_Fluid</a></div><div class="ttdeci">Oldroyd_B_Fluid()</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:157</div></div>
<div class="ttc" id="class_s_p_h_1_1_fluid_html"><div class="ttname"><a href="class_s_p_h_1_1_fluid.html">SPH::Fluid</a></div><div class="ttdoc">Base class of all fluids. </div><div class="ttdef"><b>Definition:</b> base_material.h:99</div></div>
<div class="ttc" id="class_real_html"><div class="ttname"><a href="class_real.html">Real</a></div></div>
<div class="ttc" id="class_s_p_h_1_1_weakly_compressible_fluid_html_a5ad7ad3403085fdce97622ef6428dc21"><div class="ttname"><a href="class_s_p_h_1_1_weakly_compressible_fluid.html#a5ad7ad3403085fdce97622ef6428dc21">SPH::WeaklyCompressibleFluid::p0_</a></div><div class="ttdeci">Real p0_</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:48</div></div>
<div class="ttc" id="class_s_p_h_1_1_oldroyd___b___fluid_html_a2648eb8576d7555cf2474ed3d61fee32"><div class="ttname"><a href="class_s_p_h_1_1_oldroyd___b___fluid.html#a2648eb8576d7555cf2474ed3d61fee32">SPH::Oldroyd_B_Fluid::mu_p_</a></div><div class="ttdeci">Real mu_p_</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:147</div></div>
<div class="ttc" id="base__material_8h_html"><div class="ttname"><a href="base__material_8h.html">base_material.h</a></div><div class="ttdoc">This is the base classes of all materials. A function in a derived material class returns a value wit...</div></div>
<div class="ttc" id="class_s_p_h_1_1_oldroyd___b___fluid_html_a53ef7d4ad85a0ce59b9ddd8f04303a12"><div class="ttname"><a href="class_s_p_h_1_1_oldroyd___b___fluid.html#a53ef7d4ad85a0ce59b9ddd8f04303a12">SPH::Oldroyd_B_Fluid::PointToThisObject</a></div><div class="ttdeci">virtual Oldroyd_B_Fluid * PointToThisObject() override</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:171</div></div>
<div class="ttc" id="class_s_p_h_1_1_oldroyd___b___fluid_html_ae8220b97f4a070200c80c2839d4374a3"><div class="ttname"><a href="class_s_p_h_1_1_oldroyd___b___fluid.html#ae8220b97f4a070200c80c2839d4374a3">SPH::Oldroyd_B_Fluid::assignViscoelasticFluidParticles</a></div><div class="ttdeci">void assignViscoelasticFluidParticles(ViscoelasticFluidParticles *viscoelastic_fluid_particles)</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:164</div></div>
<div class="ttc" id="class_s_p_h_1_1_weakly_compressible_fluid_html"><div class="ttname"><a href="class_s_p_h_1_1_weakly_compressible_fluid.html">SPH::WeaklyCompressibleFluid</a></div><div class="ttdoc">Linear equation of state (EOS). </div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:44</div></div>
<div class="ttc" id="class_s_p_h_1_1_weakly_compressible_fluid_html_ac39a284854b51c59682603facc3da251"><div class="ttname"><a href="class_s_p_h_1_1_weakly_compressible_fluid.html#ac39a284854b51c59682603facc3da251">SPH::WeaklyCompressibleFluid::WeaklyCompressibleFluid</a></div><div class="ttdeci">WeaklyCompressibleFluid()</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:57</div></div>
<div class="ttc" id="class_s_p_h_1_1_oldroyd___b___fluid_html_a1eb17aca4ba7f6dfe0f6c61880466845"><div class="ttname"><a href="class_s_p_h_1_1_oldroyd___b___fluid.html#a1eb17aca4ba7f6dfe0f6c61880466845">SPH::Oldroyd_B_Fluid::lambda_</a></div><div class="ttdeci">Real lambda_</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:145</div></div>
<div class="ttc" id="class_s_p_h_1_1_fluid_html_a66aa51d2d32e548e25c069cd949cb765"><div class="ttname"><a href="class_s_p_h_1_1_fluid.html#a66aa51d2d32e548e25c069cd949cb765">SPH::Fluid::rho_0_</a></div><div class="ttdeci">Real rho_0_</div><div class="ttdef"><b>Definition:</b> base_material.h:103</div></div>
<div class="ttc" id="class_s_p_h_1_1_fluid_html_a32ff9cf6b38aae02beb20699e57d276e"><div class="ttname"><a href="class_s_p_h_1_1_fluid.html#a32ff9cf6b38aae02beb20699e57d276e">SPH::Fluid::assignDerivedMaterialParameters</a></div><div class="ttdeci">virtual void assignDerivedMaterialParameters() override</div><div class="ttdef"><b>Definition:</b> base_material.h:108</div></div>
<div class="ttc" id="class_s_p_h_1_1_oldroyd___b___fluid_html_ac79f56343c12f34bb0be22353472847f"><div class="ttname"><a href="class_s_p_h_1_1_oldroyd___b___fluid.html#ac79f56343c12f34bb0be22353472847f">SPH::Oldroyd_B_Fluid::viscoelastic_fluid_particles_</a></div><div class="ttdeci">ViscoelasticFluidParticles * viscoelastic_fluid_particles_</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:149</div></div>
<div class="ttc" id="class_s_p_h_1_1_symmetric_tait_fluid_html_a4bcac1e87a060ae6f6f3314a5fbe628a"><div class="ttname"><a href="class_s_p_h_1_1_symmetric_tait_fluid.html#a4bcac1e87a060ae6f6f3314a5fbe628a">SPH::SymmetricTaitFluid::SymmetricTaitFluid</a></div><div class="ttdeci">SymmetricTaitFluid()</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:124</div></div>
<div class="ttc" id="class_s_p_h_1_1_weakly_compressible_fluid_free_surface_html_a3e3ee45c64dbf44f72d329924652b4c2"><div class="ttname"><a href="class_s_p_h_1_1_weakly_compressible_fluid_free_surface.html#a3e3ee45c64dbf44f72d329924652b4c2">SPH::WeaklyCompressibleFluidFreeSurface::WeaklyCompressibleFluidFreeSurface</a></div><div class="ttdeci">WeaklyCompressibleFluidFreeSurface(Real cutoff_pressure)</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:93</div></div>
<div class="ttc" id="class_s_p_h_1_1_symmetric_tait_fluid_html_a78f54aaa57cb8dafc674a436c98e14ae"><div class="ttname"><a href="class_s_p_h_1_1_symmetric_tait_fluid.html#a78f54aaa57cb8dafc674a436c98e14ae">SPH::SymmetricTaitFluid::PointToThisObject</a></div><div class="ttdeci">virtual SymmetricTaitFluid * PointToThisObject() override</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:130</div></div>
<div class="ttc" id="namespace_s_p_h_html"><div class="ttname"><a href="namespace_s_p_h.html">SPH</a></div><div class="ttdef"><b>Definition:</b> base_body_supplementary.cpp:11</div></div>
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